ref: 4de0a49e625f3972783e04f8c44d71e23b1ef6b4 dir: /tests/execute/0018-structptr.c/
int main() { struct S { int x; int y; } s; struct S *p; p = &s; s.x = 1; p->y = 2; return p->y + p->x - 3; }